*{
	margin:0;
	padding: 0;
	box-sizing: border-box;
	// tap高亮 一般给透明即可
	-webkit-tap-highlight-color: transparent;
}
ul,ol{
	list-style: none;
}
a{
	text-decoration: none;
}
.fl{
	float: left;
}
.fr{
	float: right;
}
.clearfix::before,
.clearfix::after{
	content:"",;
	display: block;
	line-height: 0;
	height: 0;
	visibility: hidden;
	clear: both;
}
